FIX: A series of video frames may be skipped when you play high-bit-rate video content by using DirectShow on a device that is running Windows CE 5.0

View products that this article applies to.

SYMPTOMS

When you play high-bit-rate video content by using Microsoft DirectShow on a device that is running Microsoft Windows CE 5.0, a series of video frames may be skipped.

Back to the top

CAUSE

This problem occurs because the long decode time that is required to play high-motion scenes could exhaust the limited number of back buffers that are available.

Back to the top

A supported software update is now available from Microsoft as Windows CE 5.0 Core OS QFE 28021. To resolve this problem immediately, click the following article number for information about obtaining Windows CE Platform Builder and core operating system software updates:

837392 (http://support.microsoft.com/kb/837392/ ) How to locate core operating system fixes for Microsoft Windows CE Platform Builder products

Prerequisites

This update is supported only if all previously issued updates for this product have also been installed.

Restart requirement

After you install this update, you must perform a clean build of the whole platform. To clean the platform, click Clean on the Build menu. To build the platform, click Build Platform on the Build menu. You do not have to restart the computer after you apply this update.

Update replacement information

This update does not replace any other updates.

File information

The English version of this package has the file attributes (or later file attributes) that are listed in the following table.

   Date         Time   Size     File name
   --------------------------------------------------------------------
   03-May-2005  23:16  934,912  Wincepb50-050503-kb898614-armv4i.msi
   03-May-2005  23:16  946,176  Wincepb50-050503-kb898614-mipsii.msi
   03-May-2005  23:16  946,688  Wincepb50-050503-kb898614-mipsii_fp.msi
   03-May-2005  23:16  951,808  Wincepb50-050503-kb898614-mipsiv.msi
   03-May-2005  23:16  951,808  Wincepb50-050503-kb898614-mipsiv_fp.msi
   03-May-2005  23:16  925,696  Wincepb50-050503-kb898614-sh4.msi
   03-May-2005  23:16  868,352  Wincepb50-050503-kb898614-x86.msi

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Size     File name
   ---------------------------------------------
   Path: Public\Directx\Oak\Lib\Armv4i\Debug
   28-Apr-2005  20:48  936,538  Image.lib

   Path: Public\Directx\Oak\Lib\Armv4i\Retail
   28-Apr-2005  20:48  579,212  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsii\Debug
   28-Apr-2005  20:48  962,256  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsii\Retail
   28-Apr-2005  20:48  572,660  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsii_fp\Debug
   28-Apr-2005  20:48  962,306  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsii_fp\Retail
   28-Apr-2005  20:48  572,710  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsiv\Debug
   28-Apr-2005  20:49  977,068  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsiv\Retail
   28-Apr-2005  20:49  575,914  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsiv_fp\Debug
   28-Apr-2005  20:49  977,116  Image.lib

   Path: Public\Directx\Oak\Lib\Mipsiv_fp\Retail
   28-Apr-2005  20:49  575,968  Image.lib

   Path: Public\Directx\Oak\Lib\Sh4\Debug
   28-Apr-2005  20:48  858,884  Image.lib

   Path: Public\Directx\Oak\Lib\Sh4\Retail
   28-Apr-2005  20:47  534,018  Image.lib

   Path: Public\Directx\Oak\Lib\X86\Debug
   28-Apr-2005  20:47  789,258  Image.lib

   Path: Public\Directx\Oak\Lib\X86\Retail
   28-Apr-2005  20:47  513,824  Image.lib

Back to the top

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Back to the top

MORE INFORMATION

Back buffer flipping chains are artificially limited to three buffers. This software update removes this limit.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

Back to the top